drm/amd/display: Fix DML dummyinteger types mismatch

[Why]
The types for dummyinteger1 and dummyinteger2 are unsigned
as part of the DML spec. They should not be long.

[How]
Make them unsigned int instead of long.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml/display_mode_vba.h

@@ -763,8 +763,8 @@ struct vba_vars_st {
 	double SwathWidthC[DC__NUM_DPP__MAX];
 	unsigned int BytePerPixelY[DC__NUM_DPP__MAX];
 	unsigned int BytePerPixelC[DC__NUM_DPP__MAX];
-	long dummyinteger1;
-	long dummyinteger2;
+	unsigned int dummyinteger1;
+	unsigned int dummyinteger2;
 	double FinalDRAMClockChangeLatency;
 	double Tdmdl_vm[DC__NUM_DPP__MAX];
 	double Tdmdl[DC__NUM_DPP__MAX];